Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5384344 | Friction material containing BT resin dust | Hiroshi Tokumura, Toru Yoshino | 1995-01-24 |
| 5279777 | Process for the production of friction materials | Takashi Kojima, Hitoshi Sakamoto, Hiroshi Tokumura | 1994-01-18 |
| 5147588 | Method of making carbon/carbon composite | Akimitsu Okura, Toushoku Chou | 1992-09-15 |
| 4747873 | Frictional material | — | 1988-05-31 |
| 4350530 | Sintered alloy for friction materials | — | 1982-09-21 |